French phrase
Oui, il faut déclarer.
Meaning
Yes, it must be declared.
When to use it
States that a declaration is required. Used in formal or administrative settings, such as customs, with a matter-of-fact tone.
Example dialogue
Bonjour, faut-il déclarer cette bouteille de vin ?
Hello, does this bottle of wine have to be declared?
Oui, il faut déclarer.
Yes, it must be declared.